Min Yang, Chengkun Cai, Yize Liang, Lei Shen, Yanjun Zhu, Huan Zhang, Chaonan Yao, Yuchen Shao, Lei Zhang, Changkun Yan, Liubo Yang, Ruichun Wang, Jun Chu, Jian Wang
We experimentally demonstrate space-division multiplexing (SDM) self-homodyne coherent transmission in 19-core fiber with low-cost, MHz-linewidth distributed feedback (DFB) laser, using fan-in/fan-out (FIFO) devices based on femtosecond laser direct writing technique.